Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 40.465382] audit: type=1400 audit(1597541237.644:8): avc: denied { execmem } for pid=6452 comm="syz-executor315" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.574569] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 40.581027] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 40.603624] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 40.605059] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 40.632136] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 40.773301] [ 40.774971] ====================================================== [ 40.778908] overlayfs: filesystem on './file0' not supported as upperdir [ 40.781284] WARNING: possible circular locking dependency detected [ 40.781290] 4.19.139-syzkaller #0 Not tainted [ 40.781294] ------------------------------------------------------ [ 40.781300] syz-executor315/6483 is trying to acquire lock: [ 40.781305] 0000000017c973ad (&ovl_i_mutex_key[depth]){+.+.}, at: ovl_write_iter+0x148/0xb40 [ 40.781327] [ 40.781327] but task is already holding lock: [ 40.781330] 00000000a0a2053c (&pipe->mutex/1){+.+.}, at: pipe_wait+0x1bd/0x1e0 [ 40.781348] [ 40.781348] which lock already depends on the new lock. [ 40.781348] [ 40.781350] [ 40.781350] the existing dependency chain (in reverse order) is: [ 40.781359] [ 40.781359] -> #2 (&pipe->mutex/1){+.+.}: [ 40.799073] overlayfs: filesystem on './file0' not supported as upperdir [ 40.799273] pipe_lock+0x63/0x80 [ 40.867541] iter_file_splice_write+0x183/0xbb0 [ 40.872731] __se_sys_splice+0xfe7/0x16d0 [ 40.877407] do_syscall_64+0xf9/0x620 [ 40.881742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.887446] [ 40.887446] -> #1 (sb_writers#3){.+.+}: [ 40.892916] mnt_want_write+0x3a/0xb0 [ 40.897236] ovl_setattr+0xdd/0x920 [ 40.901389] notify_change+0x70b/0xfc0 [ 40.905789] do_truncate+0x134/0x1f0 [ 40.912184] path_openat+0x2308/0x2df0 [ 40.916600] do_filp_open+0x18c/0x3f0 [ 40.920928] do_sys_open+0x3b3/0x520 [ 40.925158] do_syscall_64+0xf9/0x620 [ 40.929749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.935439] [ 40.935439] -> #0 (&ovl_i_mutex_key[depth]){+.+.}: [ 40.941849] down_write+0x34/0x90 [ 40.945823] ovl_write_iter+0x148/0xb40 [ 40.950317] __vfs_write+0x51b/0x770 [ 40.954551] __kernel_write+0x109/0x370 [ 40.959052] write_pipe_buf+0x153/0x1f0 [ 40.963730] __splice_from_pipe+0x389/0x800 [ 40.968584] default_file_splice_write+0xd8/0x180 [ 40.973968] __se_sys_splice+0xfe7/0x16d0 [ 40.978643] do_syscall_64+0xf9/0x620 [ 40.982968] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.988678] [ 40.988678] other info that might help us debug this: [ 40.988678] [ 40.996807] Chain exists of: [ 40.996807] &ovl_i_mutex_key[depth] --> sb_writers#3 --> &pipe->mutex/1 [ 40.996807] [ 41.008075] Possible unsafe locking scenario: [ 41.008075] [ 41.014121] CPU0 CPU1 [ 41.018787] ---- ---- [ 41.023446] lock(&pipe->mutex/1); [ 41.027078] lock(sb_writers#3); [ 41.033044] lock(&pipe->mutex/1); [ 41.039185] lock(&ovl_i_mutex_key[depth]); [ 41.043597] [ 41.043597] *** DEADLOCK *** [ 41.043597] [ 41.049677] 2 locks held by syz-executor315/6483: [ 41.054509] #0: 000000005c845a01 (sb_writers#13){.+.+}, at: __se_sys_splice+0x11de/0x16d0 [ 41.062922] #1: 00000000a0a2053c (&pipe->mutex/1){+.+.}, at: pipe_wait+0x1bd/0x1e0 [ 41.070745] [ 41.070745] stack backtrace: [ 41.075241] CPU: 1 PID: 6483 Comm: syz-executor315 Not tainted 4.19.139-syzkaller #0 [ 41.083121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.092475] Call Trace: [ 41.095073] dump_stack+0x1fc/0x2fe [ 41.098733] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 41.104534] __lock_acquire+0x30c9/0x3ff0 [ 41.108704] ? __lock_acquire+0x6de/0x3ff0 [ 41.112953] ? mark_held_locks+0xf0/0xf0 [ 41.117080] ? mark_held_locks+0xf0/0xf0 [ 41.121149] ? pick_next_task_fair+0x990/0x1570 [ 41.125826] lock_acquire+0x170/0x3c0 [ 41.129638] ? ovl_write_iter+0x148/0xb40 [ 41.133771] down_write+0x34/0x90 [ 41.137231] ? ovl_write_iter+0x148/0xb40 [ 41.141376] ovl_write_iter+0x148/0xb40 [ 41.145347] ? lock_acquire+0x170/0x3c0 [ 41.149928] ? pipe_wait+0x1bd/0x1e0 [ 41.153649] ? ovl_file_accessed.part.0+0x3d0/0x3d0 [ 41.158838] ? __mutex_lock+0x3a8/0x1260 [ 41.162910] ? finish_task_switch+0x146/0x780 [ 41.167414] __vfs_write+0x51b/0x770 [ 41.171123] ? kernel_read+0x110/0x110 [ 41.175043] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 41.180323] ? pipe_wait+0x15a/0x1e0 [ 41.184129] __kernel_write+0x109/0x370 [ 41.188118] write_pipe_buf+0x153/0x1f0 [ 41.192096] ? default_file_splice_read+0xa00/0xa00 [ 41.197117] ? splice_from_pipe_next.part.0+0x2ad/0x360 [ 41.202495] __splice_from_pipe+0x389/0x800 [ 41.206819] ? default_file_splice_read+0xa00/0xa00 [ 41.211841] default_file_splice_write+0xd8/0x180 [ 41.216680] ? generic_splice_sendpage+0x140/0x140 [ 41.221604] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.226725] ? rcu_sync_lockdep_assert+0x69/0xa0 [ 41.231505] ? __sb_start_write+0x194/0x350 [ 41.235856] ? generic_splice_sendpage+0x140/0x140 [ 41.241306] __se_sys_splice+0xfe7/0x16d0 [ 41.245537] ? do_pipe2+0xac/0x1b0 [ 41.249096] ? do_futex+0x1c40/0x1c40 [ 41.252931] ? __se_sys_tee+0xb90/0xb90 [ 41.256947] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.263646] ? trace_hardirqs_off_caller+0x69/0x210 [ 41.270604] ? do_syscall_64+0x21/0x620 [ 41.274699] do_syscall_64+0xf9/0x620 [ 41.278521] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.283711] RIP: 0033:0x446a89 [ 41.286931] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.305826] RSP: 002b:00007f3ebcd4dda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 41.313529] RAX: ffffffffffffffda RBX: 00000000006dbc78 RCX: 0000000000446a89 executing program executing program executing program [ 41.320815] RDX: 000000000000000a RSI: 0000000000000000 RDI: 0000000000000008 [ 41.328075] RBP: 00000000006dbc70 R08: 00000000088000cc R09: 0000000000000000 [ 41.335352] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc7c [ 41.342620] R13: 00007ffeeacba97f R14: 00007f3ebcd4e9c0 R15: 0000000000000001 [ 41.354215] overlayfs: filesystem on './file0' not supported as upperdir [ 41.364304] overlayfs: failed to resolve './file0': -2 [ 41.370364] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program [ 41.487268] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.502211] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.503190] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.583427] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.611418] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.627240] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.691168] overlayfs: filesystem on './file0' not supported as upperdir [ 41.700593] overlayfs: filesystem on './file0' not supported as upperdir [ 41.713401] overlayfs: filesystem on './file0' not supported as upperdir [ 41.788293] overlayfs: failed to resolve './file0': -2 executing program executing program executing program [ 41.811293] overlayfs: filesystem on './file0' not supported as upperdir [ 41.813820] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program [ 41.933255] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.940044] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 41.966069] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.053999] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.073511] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.087780] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.133136] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program [ 42.247393] overlayfs: filesystem on './file0' not supported as upperdir [ 42.266773] overlayfs: filesystem on './file0' not supported as upperdir [ 42.274915] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program [ 42.379317] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.394438] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.408395] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.472531] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.532636] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.548460] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.567690] overlayfs: filesystem on './file0' not supported as upperdir [ 42.594147] overlayfs: failed to resolve './file0': -2 [ 42.600283] overlayfs: filesystem on './file0' not supported as upperdir [ 42.656847] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program [ 42.710645] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program [ 42.820305] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.834678] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.849026] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.895368] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.968464] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 42.992446] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.021309] overlayfs: filesystem on './file0' not supported as upperdir [ 43.023430] overlayfs: filesystem on './file0' not supported as upperdir [ 43.033494] overlayfs: filesystem on './file0' not supported as upperdir [ 43.093350] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program executing program [ 43.186335] overlayfs: failed to resolve './file0': -2 executing program [ 43.261126] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.270327] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.289741] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 43.316321] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.401660] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.438419] overlayfs: filesystem on './file0' not supported as upperdir [ 43.461206] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.468577] overlayfs: filesystem on './file0' not supported as upperdir [ 43.475897] overlayfs: filesystem on './file0' not supported as upperdir [ 43.503102] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program executing program [ 43.587332] overlayfs: filesystem on './file0' not supported as upperdir [ 43.651643] overlayfs: filesystem on './file0' not supported as upperdir [ 43.696120] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.712765] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.724819] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 43.729843] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 43.864788] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 43.882801] overlayfs: filesystem on './file0' not supported as upperdir [ 43.898776] overlayfs: filesystem on './file0' not supported as upperdir [ 43.926657] overlayfs: filesystem on './file0' not supported as upperdir [ 43.928707] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 44.047912] overlayfs: filesystem on './file0' not supported as upperdir [ 44.110443] overlayfs: filesystem on './file0' not supported as upperdir [ 44.127810] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 44.150620] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.165456] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.165605] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 44.313422] overlayfs: filesystem on './file0' not supported as upperdir [ 44.331443] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.346055] overlayfs: filesystem on './file0' not supported as upperdir [ 44.351283] overlayfs: filesystem on './file0' not supported as upperdir [ 44.389227] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 44.513390] overlayfs: filesystem on './file0' not supported as upperdir [ 44.562329] overlayfs: filesystem on './file0' not supported as upperdir [ 44.570750] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.587273] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.599244] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.602517] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 44.762400] overlayfs: filesystem on './file0' not supported as upperdir [ 44.788927] overlayfs: filesystem on './file0' not supported as upperdir [ 44.789004] overlayfs: filesystem on './file0' not supported as upperdir [ 44.804406] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 44.849928] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 44.994088] overlayfs: filesystem on './file0' not supported as upperdir [ 45.028183] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.029397] overlayfs: filesystem on './file0' not supported as upperdir [ 45.043569] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.064348] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.077101] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 45.226810] overlayfs: filesystem on './file0' not supported as upperdir [ 45.237435] overlayfs: filesystem on './file0' not supported as upperdir [ 45.240864] overlayfs: filesystem on './file0' not supported as upperdir [ 45.253515] overlayfs: filesystem on './file0' not supported as upperdir [ 45.255861] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 45.313367] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program [ 45.438169] overlayfs: filesystem on './file0' not supported as upperdir [ 45.481929] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.498814] overlayfs: filesystem on './file0' not supported as upperdir [ 45.506984] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 45.522015] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.537060] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 45.683683] overlayfs: failed to resolve './file0': -2 [ 45.692651] overlayfs: failed to resolve './file0': -2 [ 45.700147] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.713988] overlayfs: filesystem on './file0' not supported as upperdir [ 45.715525] overlayfs: filesystem on './file0' not supported as upperdir [ 45.761033] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 45.938676] overlayfs: filesystem on './file0' not supported as upperdir [ 45.943349] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.959555] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.976771] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 45.977778] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 46.154165] overlayfs: filesystem on './file0' not supported as upperdir [ 46.163770] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.165379] overlayfs: filesystem on './file0' not supported as upperdir [ 46.180675] overlayfs: filesystem on './file0' not supported as upperdir [ 46.210370] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 46.354779] overlayfs: filesystem on './file0' not supported as upperdir [ 46.385023] overlayfs: filesystem on './file0' not supported as upperdir [ 46.393324] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.416196] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.433755] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 46.433906] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 46.585796] overlayfs: filesystem on './file0' not supported as upperdir [ 46.624270] overlayfs: filesystem on './file0' not supported as upperdir [ 46.624372] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.650872] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 46.828680] overlayfs: filesystem on './file0' not supported as upperdir [ 46.848604] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.867855] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.868590] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 46.874365] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 47.047889] overlayfs: filesystem on './file0' not supported as upperdir [ 47.058755] overlayfs: filesystem on './file0' not supported as upperdir [ 47.072122] overlayfs: failed to resolve './file0': -2 [ 47.074416] overlayfs: filesystem on './file0' not supported as upperdir [ 47.089281] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.131656] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 47.279358] overlayfs: filesystem on './file0' not supported as upperdir [ 47.302027] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.305696] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.317270] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.341938] overlayfs: filesystem on './file0' not supported as upperdir [ 47.346325] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 47.504154] overlayfs: filesystem on './file0' not supported as upperdir [ 47.511718] overlayfs: filesystem on './file0' not supported as upperdir [ 47.522176] overlayfs: filesystem on './file0' not supported as upperdir [ 47.530349] overlayfs: filesystem on './file0' not supported as upperdir [ 47.550936] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.586758] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 47.757807] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.758240] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.776911] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.786182] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 47.800118] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program [ 47.975826] overlayfs: filesystem on './file0' not supported as upperdir [ 47.976641] overlayfs: filesystem on './file0' not supported as upperdir [ 47.992119] overlayfs: filesystem on './file0' not supported as upperdir [ 48.011441] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 48.060207] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program [ 48.204218] overlayfs: filesystem on './file0' not supported as upperdir [ 48.237808] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.241216] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.252929] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.267094] overlayfs: filesystem on './file0' not supported as upperdir [ 48.280971] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 48.459748] overlayfs: filesystem on './file0' not supported as upperdir [ 48.459862] overlayfs: filesystem on './file0' not supported as upperdir [ 48.468515] overlayfs: filesystem on './file0' not supported as upperdir [ 48.482957] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.495033] overlayfs: filesystem on './file0' not supported as upperdir [ 48.528210] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 48.673825] overlayfs: filesystem on './file0' not supported as upperdir [ 48.703061] overlayfs: filesystem on './file0' not supported as upperdir [ 48.726057] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.728074] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.754587] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 48.770307] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program [ 48.916564] overlayfs: filesystem on './file0' not supported as upperdir [ 48.928924] overlayfs: filesystem on './file0' not supported as upperdir [ 48.939200] overlayfs: filesystem on './file0' not supported as upperdir [ 48.949801] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 48.980055] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 49.155646] overlayfs: filesystem on './file0' not supported as upperdir [ 49.155949] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.186938] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.195683] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.223856] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 49.355093] overlayfs: filesystem on './file0' not supported as upperdir [ 49.378460] overlayfs: filesystem on './file0' not supported as upperdir [ 49.391856] overlayfs: filesystem on './file0' not supported as upperdir [ 49.392423] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.413963] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.425265] overlayfs: filesystem on './file0' not supported as upperdir executing program executing program executing program executing program [ 49.587617] overlayfs: filesystem on './file0' not supported as upperdir [ 49.588466] overlayfs: filesystem on './file0' not supported as upperdir [ 49.628630] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.648755] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.652613] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.663131] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 49.828672] overlayfs: failed to resolve './file0': -2 [ 49.850233] overlayfs: filesystem on './file0' not supported as upperdir [ 49.855353] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 49.872120] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 50.035462] overlayfs: filesystem on './file0' not supported as upperdir [ 50.047579] overlayfs: filesystem on './file0' not supported as upperdir [ 50.083400] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.090527] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.098096] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.125713] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 50.286352] overlayfs: filesystem on './file0' not supported as upperdir [ 50.294879] overlayfs: filesystem on './file0' not supported as upperdir [ 50.303865] overlayfs: filesystem on './file0' not supported as upperdir [ 50.314780] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.324630] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program executing program executing program [ 50.490092] overlayfs: failed to resolve './file0': -2 [ 50.546055] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.547572] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.561272] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.574937] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. executing program executing program [ 50.750140] overlayfs: filesystem on './file0' not supported as upperdir [ 50.750971] overlayfs: filesystem on './file0' not supported as upperdir [ 50.765832] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 50.781027] overlayfs: filesystem on './file0' not supported as upperdir